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RITO Main Hydraulic Pump Assembly 4336314 EX1800-3 K3V280 Tandem Pump Assembly 4394897 4411536 EX1800-2 Piston Pump Assy

Mining excavators operating under continuous heavy load often suffer from hydraulic instability, resulting in reduced digging force, slower cycle performance, and increased maintenance demands. The 4336314 main hydraulic pump assembly is developed for EX1800-2 and EX1800-3 machines, providing strong and stable hydraulic power output to support large-scale mining operations.

  • Item NO.:

    4452009 4626845 4447
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

4452009 Hydraulic Pump

 
Product Specifications

Part Number 
4452009
Part Name Hydraulic Pump
Compatible Brand Hitachi
Applicable Models EX1800-2, EX1800-3
Application Excavator
Material Forged High-Strength Alloy Steel
Product Color Metallic Industrial Gray
Working Temperature -35°C to +115°C
Key Function Generate High-Pressure Hydraulic Flow For Excavator Systems
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Heavy-Duty Hydraulic Output Design

Supports stable high-pressure performance for continuous mining excavation tasks.

Leak-Free

Optimized For EX1800 Series Systems

Engineered for accurate hydraulic matching with EX1800-2 and EX1800-3 equipment.

Direct Fitment

Enhanced Operational Endurance

Built to maintain performance stability under long-hour and high-load conditions.

Rigorous Testing

Improved System Efficiency Balance

Helps reduce hydraulic fluctuation and supports smoother machine operation.

Excavator Hydraulic Part

FAQ


QWhat are common symptoms of hydraulic pump failure in mining excavators?
A: Typical signs include reduced breakout force, slow actuator movement, overheating hydraulic oil, unstable pressure readings, and abnormal vibration.
 
QWhat preparation is required before installing the pump?
A: The hydraulic system should be fully flushed, filters replaced, and oil contamination levels checked before installation.
 
Q: Is this pump suitable for continuous mining production cycles?
A: Yes. It is designed specifically for long-duration, high-intensity mining and excavation applications.
 
Q: How does it perform in harsh environments?
A: The pump maintains stable operation in dusty mines, high vibration zones, and temperature fluctuations when proper maintenance is followed.
 
Q: What quality options are available?

A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.

 

Q:Why Choose RITO?
A:Listed Factory
   Stable&Reliable Quality
   OEM Factory for Chinese Top Excavator Brands
   Supplier to Fortune 500 Companies

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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